What does this C++ snippet output?

1#include <iostream>
2 
3struct Engine { virtual int power() { return 100; } };
4struct Turbo : Engine { int power() override { return Engine::power() + 50; } };
5int main() {
6    Engine* e = new Turbo();
7    std::cout << e->power() << "\n";
8    delete e;
9}